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Location and Projects

Address
3275 E GRANT ST #B, Signal Hill, CA, 90755
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Platt Plumbing

Platt Plumbing, 3275 E Grant St, Signal Hill, CA (Employees: Andrew John Ostermann, Anna Claire Platt, and David Eugene Platt) holds a Electrical license and 1 other license according to the California license board.

Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Platt Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Platt Plumbing Contact Information

Phone: (562) 986-9800 Edit
Address: 3275 E GRANT ST #B, Signal Hill, CA 90755 Edit

Platt Plumbing Signal Hill

Quality

101
88th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Platt Plumbing has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.

Activity

2 projects
2025
1 project
2024
Our building permit records indicate that Platt Plumbing has worked on at least 3.0 projects over the past 2 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

1 project
$50k-$100k
Value Not Public: 1.0 project
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Platt Plumbing

Sort by: Notable Notable | Date Date | Job Value Job Value
Walls (bwl) - rete - retaining wall-engineered
2025-08-01
(bgr2100091) engineered retaining wall 9'h max 80 linear feet built on south side of primary dwelling
Valuation:
N/A
Permit #:
BWL2402752
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Combo residential - addition/alteration (permit only)
2025-02-07
Duplex garage reroof (rev2024-1516)
Valuation:
$66,600
Permit #:
XR2024-5853
Status:
final
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Single family duplex plan check
2024-07-01
Duplex - addition 370 sf to 2nd fl (rear unit)
Valuation:
$66,600
Permit #:
PC2023-1582
Status:
approved
Fee:
$1,273
Permit Type:
N/A
Building Type:
N/A
Combo residential - online
2024-04-24
Duplex - addition 370 sf to 2nd fl (rear unit) (convert to manufactured xr2025-0362)
Valuation:
$66,600
Permit #:
XR2023-1792
Status:
issued
Fee:
$4,390
Permit Type:
N/A
Building Type:
N/A
Building Permit
2008-05-01
Security service without business license at hermosa village (bus1998-016358)
Valuation:
$0
Permit #:
COD2008-04509
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
2008-06-02
Guard service contract (ppo #6872)
Valuation:
$0
Permit #:
BUS2008-02140
Status:
Active
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Miscellaneous revenue
2016-08-31
Permit history for 1814 clement
Valuation:
$15
Permit #:
MR16-0159
Status:
Issued
Fee:
$15
Permit Type:
N/A
Building Type:
N/A
Building Permit
1998-07-23
Security guard service
Valuation:
$0
Permit #:
BUS1998-016358
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A

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